An apparatus and method for verifying the drop delay in a flow cytometer, which is indicative of the time that elapses from a moment at which a particle of interest is detected at an interrogation point in the flow of cytometer to the moment at which a sorting condition, such as a charging potential,...http://www.google.de/patents/US6372506?utm_source=gb-gplus-sharePatent US6372506 - Apparatus and method for verifying drop delay in a flow cytometer
